Development of simplified design techniques for estimating undrained bearing loads of piled-raft in soft clay

Many structures founded on pile-raft foundations on soft clay in Singapore has been conservatively designed without considering the contribution from the raft due to the lack of knowledge (and thus design confidence) on the soil-structure interaction, bearing capacity of foundation against settlemen...

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Main Author: Tan, Kim Leong
Format: Thesis (University of Nottingham only)
Language:English
Published: 2015
Subjects:
Online Access:https://eprints.nottingham.ac.uk/28894/
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author Tan, Kim Leong
author_facet Tan, Kim Leong
author_sort Tan, Kim Leong
building Nottingham Research Data Repository
collection Online Access
description Many structures founded on pile-raft foundations on soft clay in Singapore has been conservatively designed without considering the contribution from the raft due to the lack of knowledge (and thus design confidence) on the soil-structure interaction, bearing capacity of foundation against settlement. This generally resulted in very expensive foundation costs particularly in the soft clay conditions. In view of the increasingly high prices of construction materials globally, it is timely to look into the development of an optimum design that provides safe, lasting and leaner design, allows use of resources effectively, economically and yet performing pile-raft foundation system efficiently in the soft clay condition. To achieve these, a thorough understanding of the soil-structure interaction, bearing capacity and settlement behaviours of piled-raft foundations in soft clay are of paramount importance. This research is identified as being of importance to practical civil and structure engineers in providing them with simplified techniques to perform a quick preliminary assessment and design of piled-raft foundation, before carrying out complicated and time-consuming 3-D finite element analyses. This is particularly useful when a quick assessment of the feasibility and construction costs of piled-raft foundation is required during the preliminary design stage.
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institution University of Nottingham Malaysia Campus
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language English
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publishDate 2015
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spelling nottingham-288942025-02-28T11:34:46Z https://eprints.nottingham.ac.uk/28894/ Development of simplified design techniques for estimating undrained bearing loads of piled-raft in soft clay Tan, Kim Leong Many structures founded on pile-raft foundations on soft clay in Singapore has been conservatively designed without considering the contribution from the raft due to the lack of knowledge (and thus design confidence) on the soil-structure interaction, bearing capacity of foundation against settlement. This generally resulted in very expensive foundation costs particularly in the soft clay conditions. In view of the increasingly high prices of construction materials globally, it is timely to look into the development of an optimum design that provides safe, lasting and leaner design, allows use of resources effectively, economically and yet performing pile-raft foundation system efficiently in the soft clay condition. To achieve these, a thorough understanding of the soil-structure interaction, bearing capacity and settlement behaviours of piled-raft foundations in soft clay are of paramount importance. This research is identified as being of importance to practical civil and structure engineers in providing them with simplified techniques to perform a quick preliminary assessment and design of piled-raft foundation, before carrying out complicated and time-consuming 3-D finite element analyses. This is particularly useful when a quick assessment of the feasibility and construction costs of piled-raft foundation is required during the preliminary design stage. 2015-07-25 Thesis (University of Nottingham only) NonPeerReviewed application/pdf en arr https://eprints.nottingham.ac.uk/28894/1/PhD%20Thesis_TKL_submitted.pdf Tan, Kim Leong (2015) Development of simplified design techniques for estimating undrained bearing loads of piled-raft in soft clay. PhD thesis, University of Nottingham. load-bearing and settlement curves short-term differential settlement soil-structure interactions simplified design total permissible load raft foundation piled-raft foundation.
spellingShingle load-bearing and settlement curves
short-term differential settlement
soil-structure interactions
simplified design
total permissible load
raft foundation
piled-raft foundation.
Tan, Kim Leong
Development of simplified design techniques for estimating undrained bearing loads of piled-raft in soft clay
title Development of simplified design techniques for estimating undrained bearing loads of piled-raft in soft clay
title_full Development of simplified design techniques for estimating undrained bearing loads of piled-raft in soft clay
title_fullStr Development of simplified design techniques for estimating undrained bearing loads of piled-raft in soft clay
title_full_unstemmed Development of simplified design techniques for estimating undrained bearing loads of piled-raft in soft clay
title_short Development of simplified design techniques for estimating undrained bearing loads of piled-raft in soft clay
title_sort development of simplified design techniques for estimating undrained bearing loads of piled-raft in soft clay
topic load-bearing and settlement curves
short-term differential settlement
soil-structure interactions
simplified design
total permissible load
raft foundation
piled-raft foundation.
url https://eprints.nottingham.ac.uk/28894/